In recent years, as people's growing awareness of environmental protection, the State also intended to promulgate stringent emission standards for nitrogen oxides. This vacuum boiler for sale companies made a mandatory requirement - how to effectively reduce nitrogen oxide content in the boiler flue gas. Therefore, a focus on emissions of nitrogen oxides environmental revolution is quietly boiler industry. But for domestic boilers companies this road is not good to go, because the difficulty of controlling nitrogen oxides and more demanding of the boiler, every 1 mg / cubic meter of emissions control will cause the boiler costs dramatically.
Vacuum hot water vacuum boiler for sale hot water boiler parameter is a heat exchanger to transfer heat to the hot water through evaporation and condensation heat of boiling heat transfer medium. It consists of a condenser and an evaporator heat exchanger. The evaporator heat exchanger having a combustion chamber and a boiler convection heating surface. The heat released by combustion of the fuel the heated surface of the heat medium water generated saturated steam under corresponding pressure. Condensing vapor rises in the heat exchanger to the cold leg, condensation latent heat of vaporization. The heat is transferred to the hot water supply heat exchanger, and the water heated to a certain temperature, and then sent to the heat user. After cooling, the condensed water is returned to the evaporator vaporizes, thereby continuing to provide heat to the outside. Vacuum hot water boiler is working characteristics using water at different pressures and boiling temperature. At atmospheric pressure (0.1MPa), at 0.06MPa pressure, the boiling temperature of water is 100 deg.] C, the boiling temperature of water is 85 ℃. Phase change heat transfer vacuum hot water boiler operating pressure range of 2.67 kPa to 66.6 kPa. Corresponding saturation temperature is 15 ~ 85 ℃, vacuum at the operating pressure of the boiler, the combustion temperature of the heat medium water saturation temperature to rise, and the steam generated in the water at the same temperature. Then the cold water in the outer tube is heated in the steam tube. Sending user of hot water, the steam condenses into water droplets of the outer tube, and then heating the back surface, completing the cycle. It features two vacuum hot water boiler: The results are as follows: (1) low intermediate medium temperature, exhaust gas temperature is low, greatly improving the thermal efficiency. (2) If the medium is lower than the saturation temperature at atmospheric pressure, even if the medium is broken, it will not cause an explosion soda. Fuel (gas) vacuum boiler parameter table we have a design team specializing in the production of vacuum hot water boiler, advanced testing equipment, international standard factory buildings, decades of industry experience serving more than 10,000 users, Henan fast Boiler Vacuum Hot Water boiler is trustworthy!
High and sometimes low when the vacuum boiler for sale manufacturers to teach you how to deal with gas boiler and tempering from the fire boiler manufacturers now teach you how to deal with gas boiler and fire off phenomenon of tempering gas boiler backfire and from the fire, there will be vacuum furnace , rather unstable; observe the test flue gas CO2 and O2 instruction sheet change significantly; the color of the flame is also changing moment. Gas steam boiler manufacturer to tempering occurs and causes a gas boiler fire off phenomenon, summarized as follows: the gaseous fuel in a gas boiler combustion within the limits, if the ratio of the flow rate of the combustible gas concentration than the burner air low burning speed, the flame will spread towards the fuel source direction, the emergence of the so-called backfire. According to gas steam boiler manufacturers found that the higher the gas-fired boiler furnace, the faster will be the speed of flame propagation, flashback will be easier. Since tempering phenomenon occurs in the burner, so that damage to the burner is relatively large, serious, explosions occurred in the burner. Tempering phenomenon and compared, with the proviso that fire off phenomenon occurs: the combustible gas in the burner outlet is higher than the flow rate during combustion, resulting in the original direction of the fuel toward the burner starts combustion, a phenomenon known as off-firing. The study found that, when the gas boiler is under low load conditions, the boiler is more prone to fire off phenomenon. Tempering treatment from the fire and gas boiler: 1, by detecting if it is due to the low gas pressure caused, which requires gas pipeline gas boiler thorough examination. If it is caused by the gas pressure is too high, you need to run normally throughout the regulating valve on the gas pipeline, high and low pressure air duct before the total pressure and burner, throttle opening size of the burner to do a rigorous inspection. 2. If it is the total gas boiler room gas supply pipeline pressure drop caused by the need for timely contact with the gas supply station, rapid increase in gas pressure to solve. By checking if the intake pressure is normal, it is necessary to detect the pressure regulating valve is normal. After checking the above aspects, if no problem, we need to leak gas pipeline to be checked.
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